Updating database records

Select the Delete Query property, which will bring up a set of ellipses.Figure 2: Select the Delete Query Property from the Properties Window provide a value for this parameter (leave its Parameter source at None ).Entry() method in case you want to update all the fields in your object.Also keep in mind you cannot change the field id (key) therefore first set the Id to the some as you edit.Here is how I did it for my same case and modified the names to mimic your classes.In other words, just change // This function receives an object type that can be a view model or an anonymous // object with the properties you want to change.Our goal is to extend this example to allow for the user to delete products via the Grid View.To accomplish this we need to specify values for the Sql Data Source control s statement created in Step 2.

If you need to brush up on implementing these features within the Grid View, Details View, and Form View, return to the Editing, Inserting, and Deleting Data tutorials, starting with An Overview of Inserting, Updating, and Deleting.

Entities may have been modified or deleted since entities were loaded.

Db Update Concurrency Exception: Store update, insert, or delete statement affected an unexpected number of rows (0).

The results are then returned as either a Data Set or Data Reader, depending on the value of the control s value has been specified, the Enable Inserting, Enable Editing, or Enable Deleting option in the corresponding data Web control s smart tag will become available.

To illustrate this, let s take an example from the table and a Grid View that renders this data.

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collection and can include hard-coded values, common parameter source values (querystring fields, session variables, Web control values, and so on), or can be programmatically assigned.

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  1. Alanis Morissette: Feast on Scraps (Video documentary) (performer: "Baba", "21 Things I Want in a Lover", "Hand In My Pocket", "Purgatorying" (part one), "Unprodigal Daughter", "Flinch", "All I Really Want", "Precious Illusions", "Sympathetic Character", "Purgatorying" (part two), "So Unsexy", "Head Over Feet", "Purgatorying" (part three), "You Oughta Know", "Hands Clean", "Uninvited", "Ironic", "You Learn", "That Particular Time", "Thank U") / (writer: "Baba", "Right Through You", "21 Things I Want in a Lover", "Hand In My Pocket", "Purgatorying" (part one), "Unprodigal Daughter", "Flinch", "All I Really Want", "Precious Illusions", "Sympathetic Character", "Purgatorying" (part two), "So Unsexy", "Head Over Feet", "Purgatorying" (part three), "You Oughta Know", "Hands Clean", "Uninvited", "Ironic", "You Learn", "That Particular Time", "Thank U") - Alanis Morissette: Navajo Nation - Arizona, USA (2002) ...